Low molecular weight linear polyethylenimine-b-poly(ethylene glycol)-b-polyethylenimine triblock copolymers: synthesis, characterization, and in vitro gene transfer properties (2005)
Zhong, Z.,
Feijen, J.,
Lok, M.C.,
Hennink, W.E.,
Christensen, L.,
Yockman, J.W.,
...